Hammerhead Sharks 'Hold Their Breath' Deep-Diving to Avoid Freezing
The way these sharks dive into almost freezing water has puzzled scientists. A new study suggests they can close their gills.
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The way these sharks dive into almost freezing water has puzzled scientists. A new study suggests they can close their gills.
The “completely unexpected” behavior reported in scalloped hammerhead sharks raises questions about how widespread it may be among other species.
Scalloped hammerhead sharks take dramatic dives to hunt for food in cold, deep waters—and new evidence suggests they hold their breath to keep warm while they do so
When hammerhead sharks begin some of their deepest dives, they do the piscine equivalent of what a human would do: they hold their breath.Sharks
Scalloped hammerhead sharks in Hawaii seem to limit the use of their gills during deep dives to prevent losing heat to their surroundings.